305-052-521-204

Edgeboard Connectors Overview

The EDAC Inc. 305-052-521-204 is a standard card edge connector featuring 52 positions with a 3.96 mm (0.156 inch) contact spacing. It utilizes a dual-row configuration designed for .140 inch row spacing and accepts printed circuit boards with a nominal thickness of 0.062 inch (1.57 mm). The component employs gold-plated copper alloy contacts to ensure reliable signal transmission, supporting a continuous current rating of 5 A and an insulation resistance of 5 GOhms. Rated for operation between -40°C and +105°C, it offers a voltage withstand capability of 1800 VACrms.

Edgeboard Connectors Feature Summary

• Accepts both between-contact and in-contact polarizing keys for secure board alignment
• Features a low-profile insulator body constructed from thermoplastic polyester
• Provides high dielectric strength with 1800 VACrms voltage withstand capability

Edgeboard Connectors Applications

• High-density electronic module interconnections
• Industrial control system backplanes
• Telecommunications equipment interfaces

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact termination style and mounting orientation. Ensure that the selected variant matches the required PCB thickness tolerance and panel mount constraints. Cross-reference the manufacturer datasheet for precise dimensional drawings before integration into the design.

Edgeboard Connectors Selection Notes

Select this connector when a dual-edge female interface is required for 52-position signaling paths. Confirm compatibility with the target PCB stack-up and mechanical housing constraints. Evaluate thermal management requirements against the specified operating temperature range and current carrying capacity.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series provides robust interconnection solutions for various industrial applications. The specific model number indicates the position count, pitch, and contact finish specifications within the broader product family.

Edgeboard Connectors Replacement Considerations

Consult official EDAC substitution guides for verified alternative part numbers. Generic equivalents may not match the specific polarizing key acceptance or voltage ratings.